ubiquity-dm: starting
ubiquity-dm: plymouth
ubiquity-dm: start X ['X', '-br', '-ac', '-noreset', '-nolisten', 'tcp', '-background', 'none', 'vt1', ':0']

X.Org X Server 1.18.4
Release Date: 2016-07-19
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.4.0-59-generic x86_64 Ubuntu
Current Operating System: Linux ubuntu 4.8.0-36-generic #36~16.04.1-Ubuntu SMP Sun Feb 5 09:39:57 UTC 2017 x86_64
Kernel command line: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
Build Date: 26 January 2017  12:26:18AM
xorg-server 2:1.18.4-1ubuntu6.1~16.04.1 (For technical support please see http://www.ubuntu.com/support) 
Current version of pixman: 0.33.6
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Mon Apr 24 12:56:30 2017
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)
ubiquity-dm: set vars
ubiquity-dm: pam_open_session
ubiquity-dm: dm-scripts
ubiquity-dm: dbus
ubiquity-dm: dconf-service
ubiquity-dm: start frontend gtk_ui
Gtk-Message: Failed to load module "overlay-scrollbar"

** (unity-settings-daemon:1899): WARNING **: Unable to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
Gtk-Message: Failed to load module "overlay-scrollbar"
initctl: UPSTART_SESSION isn't set in the environment. Unable to locate the Upstart instance.
Gtk-Message: Failed to load module "overlay-scrollbar"

(indicator-keyboard-service:1967): IBUS-CRITICAL **: ibus_bus_call_sync: assertion 'ibus_bus_is_connected (bus)' failed

(process:1950): indicator-sound-WARNING **: volume-control-pulse.vala:735: unable to get pulse unix socket: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.PulseAudio1 was not provided by any .service files
Gtk-Message: Failed to load module "overlay-scrollbar"
ubiquity-dm: start greeter

(panel:1946): Gdk-CRITICAL **: gdk_window_set_geometry_hints: assertion 'geometry != NULL || geom_mask == 0' failed

(process:1950): indicator-sound-WARNING **: accounts-service-access.vala:125: unable to find Accounts path for user null: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name com.canonical.UnityGreeter was not provided by any .service files
/usr/share/ibus-table/engine/main.py:27: PyGIWarning: IBus was imported without specifying a version first. Use gi.require_version('IBus', '1.0') before import to ensure that the right version gets loaded.
  from gi.repository import IBus
Gtk-Message: Failed to load module "overlay-scrollbar"

(gkbd-keyboard-display:13789): Gtk-CRITICAL **: gtk_widget_set_allocation: assertion '_gtk_widget_get_visible (widget) || _gtk_widget_is_toplevel (widget)' failed
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.

(gkbd-keyboard-display:13789): GLib-CRITICAL **: Source ID 23 was not found when attempting to remove it
Gtk-Message: Failed to load module "overlay-scrollbar"

(unity-control-center:13819): Gtk-CRITICAL **: gtk_notebook_set_current_page: assertion 'GTK_IS_NOTEBOOK (notebook)' failed
The XKEYBOARD keymap compiler (xkbcomp) reports:
> Warning:          Type "ONE_LEVEL" has 1 levels, but <RALT> has 2 symbols
>                   Ignoring extra symbols
Errors from xkbcomp are not fatal to the X server
The XKEYBOARD keymap compiler (xkbcomp) reports:
> Warning:          Type "ONE_LEVEL" has 1 levels, but <RALT> has 2 symbols
>                   Ignoring extra symbols
Errors from xkbcomp are not fatal to the X server

(nm-applet:1981): libnm-WARNING **: (nm-access-point.c:285):nm_access_point_connection_valid: runtime check failed: (ap_ssid != NULL)

(nm-applet:1981): libnm-WARNING **: (nm-access-point.c:285):nm_access_point_connection_valid: runtime check failed: (ap_ssid != NULL)

(nm-applet:1981): libnm-WARNING **: (nm-access-point.c:285):nm_access_point_connection_valid: runtime check failed: (ap_ssid != NULL)

(nm-applet:1981): libnm-WARNING **: (nm-access-point.c:285):nm_access_point_connection_valid: runtime check failed: (ap_ssid != NULL)

(nm-applet:1981): nm-applet-CRITICAL **: get_menu_item_for_ap: assertion 'dup_data.hash != NULL' failed

(nm-applet:1981): nm-applet-CRITICAL **: get_menu_item_for_ap: assertion 'dup_data.hash != NULL' failed